Introduction to SQL | | | SQL is a standard language for accessing and manipulating databases. [pic] What is SQL? SQL stands for Structured Query Language SQL lets you access and manipulate databases SQL is an ANSI (American National Standards Institute) standard [pic] What Can SQL do? SQL can execute queries against a
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INTRODUCTION SQL is divided into the following ➢ Data Definition Language (DDL) ➢ Data Manipulation Language (DML) ➢ Data Retrieval Language (DRL) ➢ Transaction Control Language (TCL) ➢ Data Control Language (DCL) DDL -- create‚ alter‚ drop‚ truncate‚ rename DML -- insert‚ update‚ delete DRL -- select TCL -- commit‚ rollback‚ savepoint DCL -- grant‚ revoke CREATE TABLE SYNTAX Create table (col1 datatype1‚ col2 datatype2 …coln datatypen);
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1) Which view provides the names of all the data dictionary views? DBA_NAMES DBA_TABLES ans)DICTIONARY DBA_DICTIONARY 2) Which view needs to be queried to find out how many database objects a user has created? DBA_USERS ans)DBA_OBJECTS DBA_TS_QUOTAS DBA_TAB_PRIVS 3) Dictionary Provides the names of all the DBA_NAMES ans)DATA DICTIONARY DBA_TABLES DBA_DICTIONARY 4) The DBA_OBJECTS view needs to be queried to find out how many __________________ a user has created ans)Database
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Generalization and Specialization SQL Concept SQL Introduction DDL Command Create query Alter query Truncate‚ Drop and Rename query DML Command All DML command TCL Command All TCL Command DCL Command All DCL Command WHERE clause SELECT query LIKE clause ORDER BY clause Group BY clause Having clause DISTINCT keyword AND & OR operator Advance SQL SQL Constraints SQL function C + + D B M S Suggest Share Share Share Share " Without SQL‚ websites will never have any
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a subquery can sometimes be used as an alternative to a join. Question 3 5 of 5 points When making an SQL query‚ we are using SQL as a(n) ________. Selected Answer: DML Question 4 0 of 5 points Every subquery can be alternatively expressed by a join. Selected Answer: False Question 5 5 of 5 points The clause SELECT COUNT (*) results in a table with a single row and a single column. Selected Answer: True Question 6
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Getting Set Up - C++ Compilers The very first thing you need to do‚ before starting out in C++‚ is to make sure that you have a compiler. What is a compiler‚ you ask? A compiler turns the program that you write into an executable that your computer can actually understand and run. If you’re taking a course‚ you probably have one provided through your school. If you’re starting out on your own‚ your best bet is to use Code::Blocks with MinGW. If you’re on Linux‚ you can use g++‚ and if you’re on
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Chapter 7: SQL for Database Construction and Application Processing 1) The SQL CREATE TABLE statement is used to name a new table and describe the table’s columns. Answer: TRUE Diff: 1 Page Ref: 281 2) The SQL keyword CONSTRAINT is used to define one of five types of constraints. Answer: TRUE Diff: 1 Page Ref: 283 3) The SQL keyword PRIMARY KEY is used to designate the column(s) that are the primary key for the table. Answer: TRUE Diff: 1 Page Ref: 283‚ 289 4) The SQL keyword CONSTRAINT
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Microsoft 70-432 TS: Microsoft SQL Server 2008‚ Version: TS: Microsoft SQL Server 2008‚ Implementation and Maintenance Microsoft 70-432 Exam QUESTION NO: 1 You work as a database administrator at ABC.com. You have just installed Microsoft SQL Server Management Studio on one of ABC.com’s workstations and the Microsoft Business Intelligence Development Studio. You have been requested to design a 12 table transactional package to be stored on an offsite server’s msdb data store. You decide that
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instances of Microsoft SQL Server in the enterprise is on the rise as a database management system. Microsoft set out to provide an effective database management system that meets multiple goals for information technology organizations. SQL Server‚ a Microsoft product‚ is designed to deliver scalable solutions while offering ease of use and deployment‚ self maintenance and tuning‚ low resource overhead‚ and low administrator skill set requirements. The seeming rise in popularity of SQL Server has resulted
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MySQL is an open source Relational Database Management System based on the Structured Query Language (SQL). It is very fast reliable and flexible Database Management System based on relation model that is developed to manage large volumes of data at very high speed with security. MySQL can be used for verity of applications but it is one of the most popular RDBMS used for the web applications on the Internet. It is referred as open source because it can be run on different platform such
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